Personal computer



FIG. 1 is a perspective view of the front, bottom and right side of a personal computer showing my new design;

FIG. 2 is a right side view thereof; and,

FIG. 3 is an enlarged view thereof at A-A′ and B-B′ in FIG. 1.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a personal computer, as shown and described. 